Boiler Fault Code RED LED BLINKS

Also written as REDLEDBLINKS — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code RED LED BLINKS appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected a safety issue with its internal sensors or temperature controls and has shut itself down to prevent potential damage. (As reported on Vokera Option)